Describe the way of life of sponges
Describe the way of life of sponges?
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Sponges live entirely in an aquatic environment and they are joined by their base to a substrate (that is, fixation ground). Sponges are filtering animals; they nourish themselves from nutrients which enter their atrium brought in by water.
How does swim bladder of fishes work permitting fishes to control their depth beneath water?
How vitamin C act within the body? State the harm which is caused due to the insufficiency of vitamin C? Why this deficiency also called as “sailors' disease”?
What is the basic difference between alpha helix and beta-sheet protein conformations?
What is acquired immunity?
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Give a brief description of presbyopia and astigmatism?
Name the type of muscle tissue which moves the bones? Answer: The bones are moved by skeletal striated muscles. Such muscles are voluntary (that is, controlled by vo
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Elucidate the word polyembryony?
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